Patent holdings for IPC class C07C 255/22

Total number of patents in this class: 14

10-year publication summary

2
0
1
1
0
0
0
0
0
0
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
F. Hoffmann-La Roche AG
7847
2
Genentech, Inc.
4090
2
c-a-i-r biosciences GmbH
4
1
Lupin Limited
430
1
Pfizer Ireland Pharmaceuticals
20
1
Syndromex Ltd.
8
1
Zhejiang Huahai Pharmaceutical Co., Ltd.
217
1
Neopanora Bio-technology (Zhuhai) Ltd.
2
1
Zhejiang Huahai Zhicheng Pharmaceutical Co., Ltd
29
1
Drug Process Licensing Ass., LLC
4
1
INVISTA North America, LLC
148
1
INV Nylon Chemicals Americas, LLC
201
1
Other owners 0